for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-895297821429.mit-edu.top",cType: 'managed',cRay: '90f61eef3a418845',cH: '7TYi_I8aAFyR4FJ6Ij56ZWY3lqUTvtyd2HfVfoaGX3w-1739127820-1.2.1.1-Si4ARSEq4dMUrWO7ZfauUxNP6qV3thkWyjg57BWFdNZFu_nQw6OQogLbohYB_b0L',cUPMDTk: "\/post\/0965471283?__cf_chl_tk=kzSOQ0mpRbCh25A.rQ5c_6u2hokyW4SsPsVwIICyuow-1739127820-1.0.1.1-G1GpUZHpSCKrQyowFoPj4.iFvkciUjleWUNAZGJLGQU",cFPWv: 'g',cITimeS: '1739127820',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0965471283?__cf_chl_f_tk=kzSOQ0mpRbCh25A.rQ5c_6u2hokyW4SsPsVwIICyuow-1739127820-1.0.1.1-G1GpUZHpSCKrQyowFoPj4.iFvkciUjleWUNAZGJLGQU",md: "Ixlrhf0DtpXV3APXKUmt.TxKA6Y3MY3gNqIon5p2OCw-1739127820-1.2.1.1-0GiIpCQWYwItzUhCNGtVXrkc82eVzA9AHvHvydWA58OOv3tg5dl0FNq0BmXorDWbwqFMGRKE1qwa4.wDTwbEvQTnhNQEagB5cv.cmySxRPFLx7zaU8W_mQbHyVH_oG2gKrR3JRoiOsirQDymJI9Ih9DEeYXz7B0tMeVWaIRVTtsrMdOosLichEVC0wOIvyHPa0rRM9g5oXvPUfjUp6qZeSMIzEeAxM7uatD9Yg33nPU2_u1U8fgyS1QJ5_P7VlGOYLn5liqoWrjjBYp68JMo_zr2IsKz07kbP7Nezn8aeckOqRqLdkw_.DF2OQXjgY1JnpgzbVutOkvJUKr85xktqLxPE3lqUs.BRDhrNF4E63hDThzPJ7PJbej3Z9xPHGU1qvkXat07Roqgcyjoly3511B7PJtmHCQXzPzkPDopGMAxcnv9f1MhiLQPDnyLOLrgDzev2qrrVLrT1P4vnfgAdm4LMLuPdPwnENL7qlXLtm89PObFhUdbkOMU4x.B2MMxLAFX9wquIQPP4rD9WM8BwhAZ9g.JrOdasrnHWeDMDnTkmmXk0AG8eDreyNE0BfQRYzXpcRNpK_mwRh4KnRjOJup_XrwhMGTNyHYODNyIvVCA7IQDqZS8OIO8aT.2U4CazfN5cWZYuvZ5LVMwV9PejR2MugYQLnebPeIF3aN6fqjXAl_xBeWcyIA5dSe1.AZwxCSwEjKd2kCjV2gHAiLi70Gg5Fh5pTJpjTDll3MWOKbAqpN4JdshS6j3gIO3a_vAvPckFb9tXePqldE8vmvtqFEPEPTXzGPOYOMQGpo62rBxo.G518qWLfRaWDUhlTrQIeL4N1qS787QVh_IoUAz1lCasvEh4qJeHaSsc.k8PGtJly4WgCarBTyR0ooE8TO5dYBo9qYMmREIByWNhp5SbdFqHKMatSCy_se04pJ4VMgVmwycaH5KI_DQ7CxS16n2wguC90PGdc_p0yHyswdWN4PcxfJOfsjKIDxtrqsz_6cE_Q3mbQcYLsRArWYMfXzlNdP9jptP0xLCk2Huwmuxa8M6ecovWsSRO8Pa9maCc6Uj8jHSK2AyZ6dobzjb8cRnR6cGP.cNqjSQgsdkR0bKGbTKtisQgJDk3i3Bs85ZrDCGledc5A5EBPCJW2Cs9PyULLxDvOhNuDWKf5IrZyzZoB5T2rOetixfpxZITTUZrFIqgNvW178bknvroVIe5gOxEPdfz.vH64oCHraw6Rkh0VH.FyHW4KDrxB4fkgwv__ONGFP2w1U8WXozdSgII0RDOcPQLO29XcaP37LLzNPhS4wV_Lzua91sgxoJMh6oNjXy3lMbzz_q6UMwCVWxxiKVWFTgV9jJSiMU1GnF9zYAxc.V5N0vxDQGswhq5XDACkfc1W9SZi8AUOm2rWw7pvJ3NAAA4jFRy4zetI3fZmohZ22V6ZsKNrdjmY1qG9ddvJuKe8sxwqbTzVCzzPKpSotjHgCGFxnUO9EMgnw1uFyqwHnz9Qc95lhOixylNiPLs1tinPgqhHaf8.I8zIiXEMt8Un_oCNjSgaJLYX.QbOjhn90q_Sf8OvTLzlH0PP6LYvrHyKzrk8nXmzq48hNtxzpxMh8AyUM0VqYXMSxX5P7mQnbb2YCMGbc_vKgcclczhla_gGgPSf0UhFPJBBTEQVStZaUopA331Kkvy1jkz5xxdCCe540j39Pt6HRcfSYgNjim54ZhaCcTok1koEhMIpoBvOXhOTI0lnu8Dge_zfSovzztMLY33xbzRRfY.bFe25AXv8x1rzhAuE.4xnsJ6zcc47BlNRaTTPUNigiyt4R.UaaSYFUgym6GMjND1.TlsjhD7n7wVxA2MU_JgvsGzf0ASXrt1ABgk1H06pymcRBwQYNFp7qesAotnOsQofZKTEf8x1S5qFM4gwkiMkohRQDmNb6wsSLg1AFLi_4eUP7D7bLR9ZiooeFyu718qqc2_G.glwsFnJiofBNS0kwoNYeWVu.VldJ99s8a_H_SnqUdmudOwD4YMl1W8fMQxEw8AgXvNsKUKti9sCzvQolfo6kRW7nuxXSOGIObAZrKML4iMzWJValAoDGvaxJ2k7Z6UtTTrG_r9elilnRVKprIPVHF_fG9ZMrgRIt8cDtvrEVnzM0RQ9KqGcT2XVVyTlCuLe6BTiVB3XkLmGi6neYgDAyxQpqn5zxuJeRb5L9Jp9basCQiXyjXtXC096FdSXvBi7ztNhJig1ppWKRBTdVoAuHr",mdrd: "kwYJS4_K3LDSbjZMMBq3EO6twyZr5xeIyDje2SYA30Q-1739127820-1.2.1.1-yJH5xq5S95i4TJjgWmIKneZoeyWrtpgBr8ROA0.AfiqlnmBcdxTIt59stYY_reYSg6A7vvetEnDtBDntAP3tD9OCJ9SwMtMn5uABZSqCkBqdtkXSOesHMDc6fjxawxVv6A1gG45hq0.ETTjYODLJygIweP6L_tD9T8kagXOSUWoWgr7DPjvi14XtmWLV21xRME.QfQWrRTOXCmiHO44EpfL57DafdqZtHoIkHmyLWvJvKbs_x0gt6kd5QYmiEZrw7aIx2rc0BthTb8aD_kPT0dbQLjpgOdjlPNW4wQkxPuFYQMQx.oegmk8KgT1dByYXJvGqDILNB9tv_1vS3Mh6gz8hqFSaV597t_kPYMrqfUvQ3wbIOdQK5zU845rrFWU5AHUaG8oDtwlFQjoKkbBauaS2j0iaMzWceM17SEQvbmh7c9LMSJVP88udhqUVcjZxMX9Mv7B5h2fANlkDSd9AhnFDkVW53NYhwkWjZ2in8SnaaPc4VE_kGU7E3vQOMdZ9WjNr271OJWD8gJba.XllR26GWRAvwYfdEabMgLOyYhAcZnatXejXfQMAwwXSi_8QvwWgQ_.vHZInImeSj3iXiZ_gf8U7GyU1WuTa5vnGXXTZMAFpON_Jd7noULaOUvywjrX1_riawveZtTofJVvTmeafYD0m4O4O95.yhxJlBkRQtHVWlxfA_a1U6lEG9wE95nwDhFlzrk13xz43LvWCl54PSWulKxfqZLXbaiQ2eqnUqKrIanZhMLrYXqfQyd0npLZlpeBDiU4ctmYEzH.c35.g9JqUiNU87x.l7hnQO77C7HUoG3H8S0PIL6h.9lpQx3Zxk.W4LNehAypo3lcMC26efbIoUMTbR19jrDl.mFFLVAGn5mo50pbf9XS9KopAUhHahcpGBtJUgGCrT.y7U9.ea8W3IfVy9nBTLmBGEE7vkDSpuQ50_Kh2dibLe7.FTpmwQBbepxidqpcpxxe0a1cJzkhDxT_eNjz8f3vi_k4tAzBWVAQeAf0ZxKNonEjjVf926z7QTuyXdz_E8HFmBkDOphdZbyZ6hbhf7ilNlGbUOm3iEy4gGsfeUWeWmPGznQcKmJu0q5V4xFmFmxiRJUsv_ujxhSr.6qomuC.a8x7b05E4NxoVX5V8gQyoUWvSQdf.U8okxuGdw1wnw9hcUyZbfGlRVLD5MI85b3fx3PRCGrcYMscjFj2adk16jax2peDF_u.mMqukQbwNFn.yO_9nuT7mMN8dGYqDq9s_231GpM57Wrx1wtmIPYNr2XwuLvw0I_1G7O2eewbmoe0XeMgzgANKT_zs7abPoEAmsZYdeae.FTzE6kWSRtWmCuSI6QWL.GoQc3Ta9Btult4vKUKIbl49EZQNjgll_gZ6zJBs5nIhomAEb.nItJNiaxbrx.wfMCvzodlMFX8jMS.ZycY59XP7bO0QhH0J76fx41_WscfwZZ0xc6xqrnb_06oYcp1OoZkgvIbmz2XiUjYQiBhJ9RbvJASL6h21jsA5DmUFbmDsBdlAuBEFUP1Sj7.CrvYWhrLKqk9SnFdJYIG05VjqX33P3KFg3JKc5VUXaPHrXQbykaHv6cstaW7Pc8e2kKOa_r2N2RTb0AVl4EsqTeinKhWhPKvN39kboosVPPCreILhiYcC.7mAPIhjVnHkgqfBG2aiiGt9hafZ70oUC85Au5lfWmq_KzmSxP9nrNnt3v0Vfr6Igh.FBEKlf0ylT41j78G9pad4Kgf9ZW1ZHg6yFkSx4pOhst86Sh1ozeB5Dcz6udh_yHuN6DtBWQqq8mw_pxCRTE5Ls1trYAmeUrEmXfp2MVbqwSTZE4_cCTo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61eef3a418845';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/0965471283?__cf_chl_rt_tk=kzSOQ0mpRbCh25A.rQ5c_6u2hokyW4SsPsVwIICyuow-1739127820-1.0.1.1-G1GpUZHpSCKrQyowFoPj4.iFvkciUjleWUNAZGJLGQU" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms